-v + 5 + 4v = 1 + 5v + 3
5+4v-v=1+3+5v5+3v=4+5vminus 3v both sides5+3v-3v=4+5v-3v5+0=4+2v5=4+2vminus 4 both sides5-4=4-4+2v1=0+2v1=2vdivide both sides by 21/2=v
-v+5+4v=1+5v+3The answer to your problem is v=1/2.